const formatTime = date => {
    const year = date.getFullYear()
    const month = date.getMonth() + 1
    const day = date.getDate()
    const hour = date.getHours()
    const minute = date.getMinutes()
    const second = date.getSeconds()

    return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

const formatNumber = n => {
    n = n.toString()
    return n[1] ? n : '0' + n
}

const config = { 
    token_l: 'zuoshoupai1987',   
}
const zane = {
    ajax: function (url) {
        var conf = {
            url: url,
            method: 'post',
            success: function () { },
            data: {}
        }
        this.extend(conf, arguments[0]);
        if (conf.url.substr(0, 4).toLocaleLowerCase() != 'http') conf.url = config.url + conf.url;

        conf.url += (conf.url.indexOf('?') > 0 ? '&' : '?') + '_display=json';
        wx.request({
            url: conf.url, //仅为示例，并非真实的接口地址       
            method: conf.method,
            data: conf.data,
            header: {
                'content-type': 'application/x-www-form-urlencoded'// 默认值
            },
            success: function (res) {
                conf.success(res.data);
            },
			fail:function(){
				wx.showToast({
				  title: '网络错误',
				  icon:'none',
				  duration: 1000
				}) 
				return;
			}
        });
    }
    , extend: function (obj, fromObj) {
        for (var p in fromObj) {
            if (typeof obj[p] != 'undefined') obj[p] = fromObj[p]
        }
        return this;
    }
    , toQuery: function (obj) {
        var str = '';
        for (var p in obj) {
            str += p + '=' + encodeURIComponent(obj[p]) + '&';
        }
        return str;
    }
}
function encodeUTF8(s) {
    var i, r = [], c, x;
    for (i = 0; i < s.length; i++)
        if ((c = s.charCodeAt(i)) < 0x80) r.push(c);
        else if (c < 0x800) r.push(0xC0 + (c >> 6 & 0x1F), 0x80 + (c & 0x3F));
        else {
            if ((x = c ^ 0xD800) >> 10 == 0) //对四字节UTF-16转换为Unicode
                c = (x << 10) + (s.charCodeAt(++i) ^ 0xDC00) + 0x10000,
                    r.push(0xF0 + (c >> 18 & 0x7), 0x80 + (c >> 12 & 0x3F));
            else r.push(0xE0 + (c >> 12 & 0xF));
            r.push(0x80 + (c >> 6 & 0x3F), 0x80 + (c & 0x3F));
        };
    return r;
};

// 字符串加密成 hex 字符串
function sha1(s) {
    var data = new Uint8Array(encodeUTF8(s))
    var i, j, t;
    var l = ((data.length + 8) >>> 6 << 4) + 16, s = new Uint8Array(l << 2);
    s.set(new Uint8Array(data.buffer)), s = new Uint32Array(s.buffer);
    for (t = new DataView(s.buffer), i = 0; i < l; i++)s[i] = t.getUint32(i << 2);
    s[data.length >> 2] |= 0x80 << (24 - (data.length & 3) * 8);
    s[l - 1] = data.length << 3;
    var w = [], f = [
        function () { return m[1] & m[2] | ~m[1] & m[3]; },
        function () { return m[1] ^ m[2] ^ m[3]; },
        function () { return m[1] & m[2] | m[1] & m[3] | m[2] & m[3]; },
        function () { return m[1] ^ m[2] ^ m[3]; }
    ], rol = function (n, c) { return n << c | n >>> (32 - c); },
        k = [1518500249, 1859775393, -1894007588, -899497514],
        m = [1732584193, -271733879, null, null, -1009589776];
    m[2] = ~m[0], m[3] = ~m[1];
    for (i = 0; i < s.length; i += 16) {
        var o = m.slice(0);
        for (j = 0; j < 80; j++)
            w[j] = j < 16 ? s[i + j] : rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1),
                t = rol(m[0], 5) + f[j / 20 | 0]() + m[4] + w[j] + k[j / 20 | 0] | 0,
                m[1] = rol(m[1], 30), m.pop(), m.unshift(t);
        for (j = 0; j < 5; j++)m[j] = m[j] + o[j] | 0;
    };
    t = new DataView(new Uint32Array(m).buffer);
    for (var i = 0; i < 5; i++)m[i] = t.getUint32(i << 2);

    var hex = Array.prototype.map.call(new Uint8Array(new Uint32Array(m).buffer), function (e) {
        return (e < 16 ? "0" : "") + e.toString(16);
    }).join("");

    return hex;
}
module.exports = {
    formatTime: formatTime,
    config: config,
    zane: zane,
    sha1: sha1
}
